Human blood plasma preparation for two-dimensional gel electrophoresis

Mi Ryung Kim, Chan Wha Kim

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Human plasma consists of mainly large proteins, which vary in terms of both composition and concentration with the physiological state of the individual. Alterations in protein concentrations reflect the current state of the individual's health and thus may be utilized as valuable biomarkers for a specific biological process or disease. Two-dimensional gel electrophoresis (2-DE) has proven to be a valuable method for the separation and comparison of complex protein mixtures, for example, from disease and healthy states, as this method provides information regarding the variation, relative quantities, and structures of the intact proteins. The procedures utilized for the preparation of samples for 2-DE are critical to the acquisition of high-quality results for the discovery of biomarkers. The objective of this study was to review the preparation methods of plasma for 2-DE, particularly those designed to improve the detection of proteins in low abundance in plasma on 2-DE. The use of anticoagulants and protease inhibitors during the collection of blood, the removal of abundant proteins using multicomponent immunodepletion system, and desalting procedure allow us to compile profiles of proteins occurring in low concentrations in the plasma and to improve the pattern generated during 2-DE.

Original languageEnglish
Pages (from-to)203-210
Number of pages8
JournalJournal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences
Volume849
Issue number1-2
DOIs
Publication statusPublished - 2007 Apr 15

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Electrophoresis, Gel, Two-Dimensional
Electrophoresis
Blood
Gels
Plasmas
Proteins
Biomarkers
Plasma (human)
Biological Phenomena
Salt removal
Protease Inhibitors
Complex Mixtures
Anticoagulants
Health
Chemical analysis

Keywords

  • Human blood plasma
  • Proteomics
  • Two-dimensional gel electrophoresis (2-DE)

ASJC Scopus subject areas

  • Biochemistry

Cite this

Human blood plasma preparation for two-dimensional gel electrophoresis. / Kim, Mi Ryung; Kim, Chan Wha.

In: Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences, Vol. 849, No. 1-2, 15.04.2007, p. 203-210.

Research output: Contribution to journalArticle

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